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Rapid Detection of Escherichia coli O157: H7 by Fluorescent Amplification–Based Specific Hybridization (FLASH) PCR
E.coli O157:H7 Stx-1 gene Detection FLASH-PCR
2015/9/28
Background: Escherichia coli O157:H7 is an enteric pathogen which can be frequently found asymptomatically in ruminant mammals, but can cause diseases from mild diarrhea to hemolytic uremic syndrome i...
指状青霉提取物诱发E.coli ND－160及K12 infA基因突变
指状青霉 大肠杆菌 基因突变
2008/8/25
背景与目的：研究指状青霉(Penicillium digitatum)提取物对大肠杆菌菌株的致突变性。材料与方法：采用E.coli ND－160菌株回复突变试验、K12 infA基因突变试验及其突变序列分析。结果：指状青霉提取物：①可明显地诱导ND－160菌株回复突变；②对K12菌株可诱发其infA基因DNA序列中5个碱基位点突变，且其中1个位点的突变还可导致编码相应氨基酸的改变(Lys→Val)...
Antimicrobial susceptibility testing of Escherichia coli strains isolated from urinary tract infections to fluoroquinolones and detection of gyrA mutations in resistant strains
UTI E.coli Fluoroquinolones Resistance Mutation PCR
2010/4/12
Widespread uses of fluoroquinolones have resulted in increasing incidences of resistance against these agents all over the world. The aim of this study was to assess, susceptibility of Escherichia col...